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<html>
<head>
    <meta charset="UTF-8">
    <title>首页</title>
</head>
<body>

    <ul>
        <li>
            <!-- GET `/user/sign/in` -->
            <a href="/user/sign/in">用户登录</a>
        </li>
        <li>
            <!-- GET `/counter` -->
            <a href="/counter">基于session实现的计数器(理解session原理)</a>
        </li>
    </ul>
    
</body>
</html>